Triple chocolate chip cookies

200g (7oz) light brown sugar

150g (5oz) caster sugar

350g (12oz) plain flour

100g (3 ½ oz) cocoa powder (Dutch)

2 tsp baking powder

1 tsp bicarbonate powder

¾ tsp sea salt

250g (9oz) unsalted butter, soft

350g (12oz) blonde (caramelised white chocolate)

OR USE 180g blonde Valrhona chocolate (caramelised white chocolate) or white chocolate (Valrhona is our favourite) and 180g  milk chocolate (Valrhona is our favourite)

2 eggs

2 tsp pure vanilla extract

Maldon sea salt for sprinkling on top